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    <script>
        //数组的includes方法，判断是否包含元素
        const mingzhu = ['西游记', '红楼梦', '三国演义', '水浒传']
        console.log(mingzhu.includes('西游记'))
        console.log(mingzhu.includes('金瓶梅'))

        //指数运算 x ** n
        console.log(2 ** 10)
        console.log(Math.pow(2, 10))
    </script>
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